Sash-holder.



E. SCHOENHEIT.

SASH HOLDER. APPLICATION FILED MAR. 7. 1913.

1,147,270. Patented July 20, 1915.

2 SHEETS-SHEET l.

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SASH HOLDER.

APPLICATION FILED MAR 7, I913.

Patented July 20, 1915.

2 SHEETSSHEET 2.

COLUMBIA PLANOGRAPH C0,,WASHINGTQN, n. 5'

UNITED STATES PArnNr rion.

ERNEST SGHOENHEIT, on rrrrsnu'nen, PENNSYLVANIA.

snsn-rronnnm To all whom it may concern Be it known that I, ERNEST SCHOENHEIT, a citizen of the United States, residing at Pittsburgh, in the county of Allegheny, in the State of Pennsylvania, have invented certain new and useful Improvements in Sash- Holders, of which the following is a specification.

This invention relates to improvements in sash holders.

The invention consists more particularly in the provision of a rotary spiral shaft disposed in the channeled side of the window sash, one end of said shaft being beveled and disposed in a cup-shaped bearing associated with the recessed window sash and secured to the casing, or this end of the shaft may be of'hollow formation adapted to receive and rotate upon a beveled projection disposed upon said bearing; the opposite end of the spiral shaft being journaled in a cup-shaped ball bearing disposed in the channeled sash and secured to the casing. When the window is raised said shaft is pressed against and rotates upon the balls of the ball bearing, but when the window is lowered friction of the shaft in its other bearing offers sufficient resistance to off-set the weight of the window and, with outside pressure removed, to stop its descent.

This invention consists in the combination and arrangement of parts to be hereinafter fully described in the following specification, pointed out in the claims and illustrated in the accompanying drawings which form a part of the specification and in which a Figure 1 is a front elevation, partly in section, of a window embodying my improvements. Fig. 2 is a section taken on line 2-2 of Fig. 1. Fig. 3 illustrates a modification of the lower shaft bearing. Fig. 4 is a further modification of the same member. Fig. 5 is a plan of Fig. 3. Fig. 6 is a plan of the base of Fig. 4 and is taken on line 44 of that figure. Fig. 7 is a section taken on line 77 of Fig. 1. Fig. 8 is a section taken on line 88 of Fig. 1.

Like reference characters indicate corre sponding parts throughout the several views.

1 is the window sash, one side of which is channeled longitudinally as at 2 and this portion is formed near its lower extremity with integral nuts 3, 3 adapted to'ride in the spiral groove of the rotary shaft 4; said shaft being disposed in and extending Specification of Letters latent.

longitudinally of the apertured portion of said window sash. The base. of the shaft 4 1n lts'preferred form is beveled as at 5, said beveled portion terminating in an extremity 6 of cylindrical shape and said beveled and cylindrical portion being seated in a cupllke bearing .7 formed with a central aperture adapted to, receive the said portions.

ne corner of the apertured side of the sash being cut away to permit the insertion of said cup-like bearing which is secured by screws 8 to the window casing 9.

The upper termination of the shaft 4 is cylindrical in formation and is disposed in a cup-shaped bearing 10 secured by screws 11 to the window casing 9 and said cylindrical shaft termination is hollowed out to receive one of the balls 12 upon which said shaft rotates, the other ball 12 being disposed in a recess in the bearing 10 and in frictional contact with the first mentioned ball'12. P

In Fig. 3 a modification of the lower shaft bearing is illustrated. The bearing 7 is provided with a projection 13, the base of which is beveled and the stem of which is of cylindrical formation; the base of shaft 4 being apertured to receive said projectionupon which -it rotates and said shaft base being grooved for engagement with the nuts 3, 3 of the window frame- Fig. 4 is a further modification of this bearing which comprises an apertured disk-like portion 14 secured to the window sill and another disklike member 15 is disposed upon the member 14 and formed integral with a shaft 16 projectedinto'the hollowed extremity of shaft 4 and into the channeledbearing 14. Formation of the shaft 4 and member 15 is such that rotation of the former will rotate the latter upon the bearing 14 producing sufii.

cient friction to stop the descent, through gravity, of the window.

What is claimed is 1. The combination with a channeled window sash, of a spirally grooved rotary shaft disposed in the channeled portion thereof,

an upper anti-friction bearing for said shaft, a lower friction bearing for said shaft and a nut formed in the channeled portion of said window sash and adapted to travel in the spirally grooved portion of said shaft as the window sash is raised or lowered.

2. The combination with a window sash, of a rotary shaft, an upper anti-friction bearing for said shaft associated with the Patented July 20,- 1915. Application filed March 7, 1913. ser a No. 752,577.

Window casing, a lower friction bearing for my own I have hereto aflixed my signature said shaft associated with the Window casin the presence of two subscribing Witnesses. ing and means carried by said Window sash T a and operatively associated with said shaft LRLEST SCHOENHEIT 5 for actuating the same as the Window sash is Witnesses:

raised or lowered in the casing. LOUIs KsGHIER,

In testimony that I claim the foregoing as JOHN R. BRUNNER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. C. 

